Roller-bearing.



M. A. ROSS.

V l ROLLER BEARING.

APPLIoATIoN FILED AUG. 5, 191s.

1,1 18,685, Patented Nov. 24, 1914..

itfittt ROLLEIt-BER'NG.

pplication lcd August 5,

To all 'io/ioni it may concer/i.'

Be it known that I, MARK A. Ross, citizen of the United States, residing :it Chicaigo, in the county oil Cook and ltnte oi Iliinois, have invented e certain new und 'useful Improvement in Roilerlenrings, ol' which the 'lollowiingr is :i full, cleari coneisif,f end exact tli'iscription, reference being hud to the eeconi'iianying drawings, forming;n :i part et this specification.

liIj/ invention relates to power treneinission mechanism und particularly to that einst; oit' power transmission ineelninim in which trnnsiniesion shafts are supported by, roller hearings which may be either oit the cylinder, bell, conical or other type.

vThe invention hns ior one ot' its obj eets the provision of n construction wherein the inner rueeovey well oi' the bearing muy be in key connection with the slnii't it suiiiporte` but which key connection is ot such construction thut it will permit of the withdrawal of the fintt through seid inner rinie-ivny wall iv'iile permitting Suid inner rin-,envoy wnll to remain in `its locution, By this nrrnnfge` nient the adjustment oi the bearing, having;- once been secured, need not be disturbed when the sli-itt is witlnflirnwn und inserted.

In accomplishing another object ot the invention, whether or not the construction he adapted to fulfill the first object ol'l the invention, the outer rece- 'ny well hns slid-- ing engngement ut its peripher)y with the support 'i'or the roller beuringj structure so that when the sl'nii't is thrust .longitinlinnlly of itself the two ruee-wny wellsI will move therewith, und 1 provide :i stop i'or limit iiiig the thrusting movement oi' the slinl't, this stop being carried by the support vlor the heuring structure :1nd being eonstrncted to engnge the inner rnce-wny wnll bel'ore the outer rnce-wny well een engnge such support. In the Infe'ferred embodiment oi' the invention thil engugement which this stop hns with the inner rurr-iifnv well is indirect, n dietent preservingr sleeve desirubly having, u, portion interposed between the stop :ind inner rncenvny wnll.

The device o'l my invention is o't particular service in the construction oi' these emiill power plants which :ire carried by income 'tives for the purpose o' ,eimernliinn' elec trieity to opernte leeon'iotive iiehts, und

whiehsmell power plants .frequent/iv in- Specificaton or" Letters Patent.

tntented Nov. 24, 1914. 1913. serien No. wenn.

elude steuin tu 'billen Vfor driving the gencraters. 'if he slnrl'ts which nre common to the turbines und generutors ure dcsirzibly limited Vfrom thrusting movement in one direction by u :atop cngngingi' one end of the slnil't und, in neeordmicc with my invention: nre limited to thrusting movement in the reverse direction by the stop having limitin;` enfg'ngnmcnt with woll. lhc invention, however7 is not to be limited ilo this udnlitntion thereof.

Vi will explnin in v invention more fully b v rel'erence to the nceonn'mnying drawings in which-M liigurc i is n loinitudiinll Sectionul View showing; ns much oi' the invention :is is necessury to nn iindereitninling thereof nd Fig. is u perspective view oi some o'l tue parts in sci inrutcd rehition.

Lilie piirts nre indicnted bysimilarclnirficters ol' reference throughout the dillerent figures.

'lhe power trnnsmissionShul't l is driven by some suilnhle Yi'orm oi prime mover such es :i nleum turbine und prel'ernbly hns n stop l'or limiting its movement toward the left, 'which slop includes n :screw plug' screwed into the end oi' u beni-ing' 8 so :is to have engagement with the corresponding end of the nhnl't, u nut l being screwed upon the `stop i :nid into engrnircineiit with the been inny il lo secure the ndiusl'meiil: oi suitl stop. 'lhr sbul't l is supported :it the lond end thereof b y :i bem-innr support 5 which also, in thin` inslunre: curi-irs the field f3 oiE the `frmirrutor. 'l'he bruriing support fi includes in its lornmtion n renti-:il element 'll hut-ing :i sleeve portion in lhi'rudcd connection with :i bull iienring' rop t4 in which the outer rncewnv wnll is rr-ceiwd und which roce-wey wnll muy be mored Iongitinlinullv ol' und upon seid cup. 'lln roce-wily wull J is lisposed within un :innulnr `in pnrt b v Ineens ol'n retuining' ringr 1() screwed into the cup H. lnlls l1 intervene between the outer rece-wmv wull 9 :ind the inner riire-wnv wnl! l2. the shuft thus lmv ingr hull bein-incY support. The lel't hund end ol` the inner ruee'wuy well 1'2 is extended to the lrlt beyond the plaine oi' the outer rnceovirv wnll :ind ther* :ire formed in this extended portion ol the inner ruce- 'wirv well slotsl whirh :ire open :it the lett hund end ot the inner rene-wily wnll so the inner rece-Way elninnel' formed the shaft to effect the engagement of as to receive the projecting ends of a key 14 carried bythe shaft When the shaft is thrust toward the right through the wall 12. A distance preserving sleeve 15 is, located upon the right of the inner race-way Wall 12 and carries .diametrically opposite lugs 16 which enter diametrically opposite slots or notches 17 in the inner race-way'wall. The other end of the distance preserving sleeve 15 is engaged with a key 18 projecting through the shaft, this key 18 being received in diametrically opposite notches or slots 19* provided in a spider 20A which carries the armature 21 and commutator 22 of the generator. A cap bolt 23 and a cooperating washer 24 serve to clamp the spider 20 against the key 18. When the parts are to be disassembled the screw cap` 23 is loosened, the armature and its supporting spider are withdrawn, the key 18 is removed, and thereafter, the shaft 1V is drawn to the left, the key 14 being' of such short length that it may readily pass through the circular orifices which surround the shaft uand through which the shaft is pulled when itis withdrawn. When the parts are to be assembled the shaft is inserted from the left hand end of the outfit and is peripherally adjusted until the key 14 engages the notches or slots 13. rlhe assembler will turn the distance preserving sleeve until the inner race-waywall is position to engage the 'key u'pon the shaft whereupon the sleeve is movedlongitudinally )of t e shaft key and inner race-way Wall. He will know that the' key 14 is inl engagement with the notches 13 when the aperture in the shaft that receives the key 18 is uncovered by the sleeve 15. The balance of the assemb y is., of. course, understood. By 'the construction thusv far specifically, described the inner race-Way wail is posi-tively secured against rotary movement with respect to the shaft While at thesame time the removal of the shaft through the race-way wall is readily permitted without disturbing the adjustinent of the bearing. Hitherto', in constructions of this class, the inner race-vvay wall was held, against rotation merely by having its end faces held in clamping engagement, the advantage then sought being.

ruidosa rection by hired stops such as shown at 2..

Hitherto the movement of the shafts in the other direction was limited by the balls of the bearing, the outer race-way walls having hitherto been fixed upon their supports whilethe inner race-way walls were ixed with respect to their shafts., In accordance with"-niy invention the outer race-way wall A is permitted slight movement upon the inner surface of the cup 8 so that when the shaft is subject to thrusting movement toward the right .the outer race-way wall will move with the shaft as well as the inner race-Way wall, but in order to prevent the outer'raceway Wall from engaging, at itsright hand face, with the cup 8.2 this cup is provided with an insetting pro3ection 25 which serves movement of the shaft in one direction, l

have provided but one stop 25 which is for the purpose of taking up the movement of the shaft in the other direction, though l do not wish to be limited to the presence of one such stop 25. This stop 25 is desirably an` nular so as to have uniform engagement with the flange 26 throughout its circle.

lNhile ll have herein shown and particularly described the preferred embodiment of my invention I do not wish to be limited to the precise details of construction shown as changes may readily be made withoutdeparting from the spirit of the invention, but

Having thus described my invention, l claim as neivancl desire to secure by Letters Patent the following :y

1. Power transmitting nieanslincludingva i l shaft; a roller bearing therefor aving inner and outer race-way walls with rolling e1ements between; a ey carried by theehaft, the inner race-Way wall being notchjn on one of its end faces thereto rive 'the' e to heid the inner race-ivayvvwali and sha together and permitting "'ithdrawai of -the key by longitudinal movement of 'the key to secure the Withdrawal of the shaft With-l carrying shaft away from the roilerfbearoutdisturbing the adjustment of the bearln s ucli prior constructions, however, the clamping engagement with the inner race-way wall rapidly deteriorated owing to the expansion of the shaft due to heat, subsequent contraction, and resulting looseness with a train of disadvantages that will be ap arent to those skilled in the art,

en the power plants are carried upon violently jolting vehicles auch as locomotives, 'the shafts are likeiy to sudden movement which are desirably limited to one iiiingrand a distance preserving portion engaging the other end face of the inner race.- l way Wall, the engaging portions of the inner racevvay wall and the distance preserving portion insettingfone in the other.

2. Power transniittin` means including a m55" shaft; a roller bearing erefor having 'an inner race-way wall neatly fixed upon the shaft and an outer rane-way Wall with rolls y ing elements between the 'race-vra w n support for the outer race-Way wait-'ripe which.; san aan may sin@ lemmi-nanna @t rho shaft; a Stop carried by said support 0* In witness whereof, T hereunto subsoxgibe el'zntlngto111mbtlu'qstmgmovement o'f he my nnmo t/lus 4;\vo'nty-c1gh&h day of July lo shaft through the ntermoc'lznton of the A D., 1913,

, ing sleeve takmg pz'ut in positioning tho 1 mor moe-way woll upon the shaft and Witnessos: th lough Whlch tho stop @parat/os; to hunt the L. Omoo, thrustmg movement of the Shaft. Erm L. Vv mmc. 

